arkei

Sharing

General

Target

6d2a5f08a96041f4ba3e00f547deb891.exe
Size

278KB
Sample

220111-zq1vlsheaq
MD5

6d2a5f08a96041f4ba3e00f547deb891
SHA1

a92bea7257c94f8affb34d5b32491d71d729d75e
SHA256

6fc704900ddda4e22fd10ae2bf066c403a2567ce830d1b8fe7721231414382b7
SHA512

b5d7d788c796f440b12c8db43f30f1fc4a2566893d33ed8c90d5e8a989fe92d55eeff7e4039bca4e0a23a5d20eb97fee2cf635eef3509b67bb7bc96c0d0428cb

Score

10^/10

Malware Config

Extracted

Family

smokeloader

Version

2020

http://host-data-coin-11.com/

http://file-coin-host-12.com/

http://srtuiyhuali.at/

http://fufuiloirtu.com/

http://amogohuigotuli.at/

http://novohudosovu.com/

http://brutuilionust.com/

http://bubushkalioua.com/

http://dumuilistrati.at/

http://verboliatsiaeeees.com/

rc4.i32

Extracted

Family

tofsee

patmushta.info

parubey.info

Extracted

Family

raccoon

Version

1.8.4-hotfixs

rc4.plain

Extracted

Family

vidar

Version

49.6

Botnet

1125

https://noc.social/@banda5ker

https://mastodon.social/@banda6ker

Attributes

profile_id
1125

Extracted

Family

vidar

Version

49.6

Botnet

565

https://noc.social/@banda5ker

https://mastodon.social/@banda6ker

Attributes

profile_id
565

Targets

- Target
  
  6d2a5f08a96041f4ba3e00f547deb891.exe
- Size
  
  278KB
- MD5
  
  6d2a5f08a96041f4ba3e00f547deb891
- SHA1
  
  a92bea7257c94f8affb34d5b32491d71d729d75e
- SHA256
  
  6fc704900ddda4e22fd10ae2bf066c403a2567ce830d1b8fe7721231414382b7
- SHA512
  
  b5d7d788c796f440b12c8db43f30f1fc4a2566893d33ed8c90d5e8a989fe92d55eeff7e4039bca4e0a23a5d20eb97fee2cf635eef3509b67bb7bc96c0d0428cb
Score

10^/10

arkei raccoon smokeloader tofsee vidar 1125 backdoor collection evasion persistence stealer suricata trojan upx xmrig 565 discovery miner spyware
- Arkei
  Arkei is an infostealer written in C++.
  stealer arkei
- Raccoon
  Simple but powerful infostealer which was very active in 2019.
  stealer raccoon
- SmokeLoader
  Modular backdoor trojan in use since 2014.
  trojan backdoor smokeloader
- Suspicious use of NtCreateProcessExOtherParentProcess
- Tofsee
  Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
  trojan tofsee
- Vidar
  Vidar is an infostealer based on Arkei stealer.
  stealer vidar
- Windows security bypass
  evasion trojan
- suricata: ET MALWARE EXE Download Request To Wordpress Folder Likely Malicious
  suricata: ET MALWARE EXE Download Request To Wordpress Folder Likely Malicious
  suricata
- suricata: ET MALWARE JS/Nemucod requesting EXE payload 2016-02-01
  suricata: ET MALWARE JS/Nemucod requesting EXE payload 2016-02-01
  suricata
- suricata: ET MALWARE JS/Nemucod.M.gen downloading EXE payload
  suricata: ET MALWARE JS/Nemucod.M.gen downloading EXE payload
  suricata
- suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)
  suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)
  suricata
- suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
  suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
  suricata
- suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
  suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
  suricata
- suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
  suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
  suricata
- suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
  suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
  suricata
- suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern
  suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern
  suricata
- xmrig
  XMRig is a high performance, open source, cross platform CPU/GPU miner.
  miner xmrig
- Arkei Stealer Payload
  stealer
- Vidar Stealer
  stealer
- XMRig Miner Payload
  miner
- Blocklisted process makes network request
- Creates new service(s)
  persistence
- Downloads MZ/PE file
- Executes dropped EXE
- Modifies Windows Firewall
  evasion
- Sets service image path in registry
  persistence
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
- Deletes itself
- Drops startup file
- Loads dropped DLL
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Accesses 2FA software files, possible credential harvesting
  spyware stealer
- Accesses Microsoft Outlook profiles
  collection
- Accesses cryptocurrency files/wallets, possible credential harvesting
  spyware
- Adds Run key to start application
  persistence
- Checks installed software on the system
  Looks up Uninstall key entries in the registry to enumerate software on the system.
  discovery
- Legitimate hosting services abused for malware hosting/C2
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
behavioral1 behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

New Service

T1050

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

New Service

T1050

Defense Evasion

Disabling Security Tools

T1089

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Peripheral Device Discovery

T1120

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Exfiltration

Command and Control

Web Service

T1102

Impact

Tasks

Sharing

General

Malware Config

Extracted

Extracted

Extracted

Extracted

Extracted

Targets

Raccoon

SmokeLoader

Suspicious use of NtCreateProcessExOtherParentProcess

Tofsee

Vidar

Windows security bypass

suricata: ET MALWARE EXE Download Request To Wordpress Folder Likely Malicious

suricata: ET MALWARE JS/Nemucod requesting EXE payload 2016-02-01

suricata: ET MALWARE JS/Nemucod.M.gen downloading EXE payload

suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)

suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern

xmrig

Arkei Stealer Payload

Vidar Stealer

XMRig Miner Payload

Blocklisted process makes network request

Creates new service(s)

Downloads MZ/PE file

Executes dropped EXE

Modifies Windows Firewall

Sets service image path in registry

UPX packed file

Deletes itself

Drops startup file

Loads dropped DLL

Reads user/profile data of web browsers

Accesses 2FA software files, possible credential harvesting

Accesses Microsoft Outlook profiles

Accesses cryptocurrency files/wallets, possible credential harvesting

Adds Run key to start application

Checks installed software on the system

Legitimate hosting services abused for malware hosting/C2

Drops file in System32 directory

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Tasks

static1

behavioral1

behavioral2